* add 9 further alexa devices for calling presets 1-9
* use preset names from WLED for Alexa preset device names instead of hardcoded names
* update readme and version
* call alexaInit() at end of savePreset() to keep Alexa in sync with the preset IDs and names
* This reverts commit f8db06c7c5.
* change order to configured Alexa WLED name first, preset names afterwards
* fix status of devices when shown within Alexa, i.e. switching one preset on switches others off (except for alexaInvocationName)
* re-add getPresetName() after merge with master
* restore original readme for pull request
* restore original platformio.ini for pull request
* Logic simplification
* Pass string by reference
* Added number of presets check
* fix alexaInit() in case of alexaNumPresets==0
Co-authored-by: Christian Schwinne <dev.aircoookie@gmail.com>
